Asked by Carly

Under certain conditions, neon (Ne) gas diffuses at a rate of 4.5 centimeters per second. Under the same conditions, an unknown gas diffuses at a rate of 10.1 centimeters per second. What is the approximate molar mass of the unknown gas?
Answered by DrBob222
(rate1/rate2) = sqrt(M2/M1)
M2 = molar mass of gas 2. M1 = molar mass gas 2.
Answered by Anonymous
Ne = 20.2


mv^2 = const
m ~ 1/v^2

(4.5/10.1)^2 = 0.198

20.2 * 0.198 = 4.0 g/mol (Helium)
Answered by samantha
that is an incorrect answer
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